# NTSB investigations: Schweizer SGS 1-26D: In flight encounter with weather

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB LAX91LA155](https://openairdocs.org/ntsb/LAX91LA155.md): Schweizer SGS1-26-D · Warner Springs, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 2, 1991 · N7562 · Destroyed
  > That the pilot used poor planning/decision and failed to maintain flying speed. Contributing to his accident was the loss of thermal lift and lack of experience in this type of aircraft.
- [NTSB LAX84LA327](https://openairdocs.org/ntsb/LAX84LA327.md): Schweizer SGS1-26D · Lucerne Valley, CA · Accident · Minor injuries · Limited investigation · Final report · May 28, 1984 · N7710S · Substantial damage
  > The plt reported that his glider was the 3rd to launch (using an auto tow) on a distance completion flt. He released the tow cable at about 900 ft & began searching for lift. No lift was found. After a short time, he attempted to return to the departure…
- [NTSB LAX84LA092](https://openairdocs.org/ntsb/LAX84LA092.md): Schweizer I-26D · Black Canyon, AZ · Accident · No injuries · Limited investigation · Final report · Dec 3, 1983 · N7740S · Substantial damage
  > The glider collided with a tree during a forced landing. The glider was being towed on a ferry x-country when they overflew an undercast. The tow plane started descent to penetrate the clouds expecting the glider to maintain tow and contact on the 200 ft…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8050122')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 240))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8050122&occurrence=240

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